Finding the Fourth Proportional to 116,287.32, 160,474.56 and 65,300.52

Step by Step Solution

1. Step 1: Write the proportion equation
   116,287.32 : 160,474.56 = 65,300.52 : x
2. Step 2: Convert to fraction form
   116,287.32/160,474.56 = 65,300.52/x
3. Step 3: Cross multiply
   116,287.32x = 160,474.56 × 65,300.52
4. Step 4: Simplify right side
   116,287.32x = 10,479,072,214.77
5. Step 5: Solve for x
   x = 10,479,072,214.77/116,287.32
6. Step 6: Final answer
   x = 90,113.63